MATHEMATICIAN

Anders Johan Lexell

1740 - 1784

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Anders Johan Lexell (24 December 1740 – 11 December [O.S. 30 November] 1784) was a Finnish-Swedish astronomer, mathematician, and physicist who spent most of his life in Imperial Russia, where he was known as Andrei Ivanovich Leksel (Андрей Иванович Лексель). Lexell made important discoveries in polygonometry and celestial mechanics; the latter led to a comet named in his honour. La Grande Encyclopédie states that he was the prominent mathematician of his time who contributed to spherical trigonometry with new and interesting solutions, which he took as a basis for his research of comet and planet motion. His name was given to a theorem of spherical triangles. Read more on Wikipedia

His biography is available in different languages on Wikipedia. Anders Johan Lexell is the 402nd most popular mathematician (up from 502nd in 2019), the 99th most popular biography from Finland (up from 138th in 2019) and the 3rd most popular Finnish Mathematician.

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Among MATHEMATICIANS

Among mathematicians, Anders Johan Lexell ranks 402 out of 1,004. Before him are Theon of Smyrna, Thomas Fincke, Philippe de La Hire, Bhāskara I, Rolf Nevanlinna, and Peter Barlow. After him are Sal Khan, Karl Menger, Jean Dieudonné, Christian Kramp, Johann Benedict Listing, and Ibn al-Banna' al-Marrakushi.

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Contemporaries

Among people born in 1740, Anders Johan Lexell ranks 18. Before him are Louis-Sébastien Mercier, John Sullivan, Giambattista Bodoni, John Latham, Johann Jacob Schweppe, and Princess Ernestine of Saxe-Weimar. After him are James Boswell, Adam Philippe, Comte de Custine, Leopold III, Duke of Anhalt-Dessau, Matthias Claudius, Juan Ignacio Molina, and Johan Tobias Sergel. Among people deceased in 1784, Anders Johan Lexell ranks 11. Before him are Samuel Johnson, Giovanni Battista Martini, Junípero Serra, Torbern Bergman, Otto Friedrich Müller, and César-François Cassini de Thury. After him are Princess Friederike Luise of Prussia, Abraham Trembley, Jean-François Séguier, Allan Ramsay, and Caesar Rodney.

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In Finland

Among people born in Finland, Anders Johan Lexell ranks 99 out of 751. Before him are Paavo Lipponen (1941), Arvid Horn (1664), Bo Carpelan (1926), Matti Vanhanen (1955), Ilmari Juutilainen (1914), and Rolf Nevanlinna (1895). After him are Erik Heinrichs (1890), Alexander von Nordmann (1803), Lauri Ingman (1868), Karl-August Fagerholm (1901), Clas Thunberg (1893), and Albin Stenroos (1889).

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Among MATHEMATICIANS In Finland

Among mathematicians born in Finland, Anders Johan Lexell ranks 3. Before him are Lars Ahlfors (1907), and Rolf Nevanlinna (1895). After him are Ernst Leonard Lindelöf (1870), and Hjalmar Mellin (1854).

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